Present perfect

I (a)   (lose) my keys. I don’t know where they are.

I (a)   (buy) some new shoes. Do you want to see them?

‘Where’s Helen?’ ‘She’s not here. She (a)   (go) out.’

I’m looking for Paula. ____________ you ____________ (see) her?

(a)  

I (a)   (finish) with this magazine. Do you want it?

‘Does Lisa know that you are going away?’ ‘Yes, I (a)   (tell) her.’

I can’t find my umbrella. Somebody (a)   (take) it.

‘Where are my glasses?’ ‘I don’t know. I (a)   them.’ (not/see)

Sue is having a party tonight. She (a)   (invite) a lot of people.

I know that woman, but I (a)   (forget) her name.